Question about 2000 Buick LeSabre

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Fuel line leaks where it connects to aluminum fuel injection line

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The o'rings may be leaking or the fitting is loose

Posted on Feb 04, 2010

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Posted on Jan 02, 2017

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How do I remove a fuel pressure regulator on a 2002 dodge caravan.


Before doing ANYTHING, it is VERY IMPORTANT that you depressurize the fuel system, and be sure the engine is COLD COLD COLD before removing any lines.
The fuel pressure regulator should have one vacuum line and three fuel lines connected to it. (Some have an electrical connector instead of the vacuum line, but same idea.)
AFTER DEPRESSURIZING THE SYSTEM, with engine COLD, carefully disconnect the vacuum line (or electrical connector), then SLOWLY loosten and remove all three fuel lines, noting how they are connected. Replace all grommets & gaskets with new, then Install the fuel lines to the new regulator, EXACTLY as they were on the original, tightening the fittings to torque specifications provided for your vehicle and engine. Reconnect the vacuum (or electrical) connection, then repressurize the fuel system WITHOUT STARTING THE VEHICLE. With the ignition ON, watch for any sign of leaks. If there are ANY signs of leaks, stop them before starting the vehicle. DO NOT START THE VEHICLE IF THERE ARE ANY LEAKS, AS THERE IS A DANGER OF STARTING AN ENGINE FIRE.
Check for proper fuel rail pressure, and be certain to re-check your work within 100 miles to assure that there are NO LEAKS.
If you are unfamiliar with depressurizing or repressurizing a fuel injection system, PLEASE REFER THE WORK TO A QUALIFIED TECHNICIAN..

May 01, 2015 | Dodge Cars & Trucks

2 Answers

My 1999 grand marquis is dumping fuel


Did you use the injection system from the other engine or the one that was on your old engine?If you used the one off the old engine the injection system may be bad and that is why old engine was knocking.

Feb 14, 2013 | Cars & Trucks

1 Answer

Tried to repair a gas leak under car . we tried to repair the hose now it doesnt leak from above the hose only under and used 2 clamps and it is tight as we are able to get it is it the metal piping ?


you don`t say what type of fuel system you have,carburetor or fuel injection,throttle body or port fuel injection system.this determines the type of repair.if it is port fuel injection then you cannot repair with a hose,it must be repaired with a steel line as the fuel pressure is above 30lbs pressure and rubber hose is not strong enough for the pressure.you can replace the section of line that is bad with a new steel line connected to a good section.if it`s carburetor the pressure is only about 6 to 8lbs pressure,and a hose can make the repair.if it`s throttle body then the pressure can range anywhere from 15 to about 20lbs pressure,this can be repaired with fuel injection gas hose,so you can see it makes a difference what system you have.any rubber hose used must be a fuel line hose not just any rubber hose.

Mar 15, 2011 | Chrysler New Yorker Cars & Trucks

2 Answers

How do you fix the oil coolant line?


I assume there is a pin-hole in the line? Easiest way is to find the leak, cut it out, and reconnect with the right size fuel hose (should be 1/4" or 3/8"). Make sure to use small hose clamps to connect the hose

Jan 25, 2011 | 1989 GMC Sierra

1 Answer

Leak injection pump


Sounds like you are going to have to drop the tank out to inspect and fix. with luck it will be leaking from the fuel pump seal or the return line. If your truck is fuel injected , and the pump is in the tank , regular fuel line hose won't do, need to buy stronger hose rated for fuel injected cars. If it is the return line, won't be as high presure.

Keep us updated or send us additional details.

Jan 22, 2011 | 1991 Toyota Pickup

1 Answer

Diesel engine misfire


DIESEL ENGINE MISFIRE.POSSIBLE CAUSES IS INJECTION PUMP TIMING OFF.RESTRICTED FUEL LINES OR FUEL FILTER - AIR - IN THE FUEL SYSTEM.CHECK FUEL LINES FROM FUEL TANK TO INJECTION PUMP FOR CRACKS AND LEAKS.

Jun 18, 2010 | 2003 Volkswagen Passat

2 Answers

Engine turns over on my 2003 Jetta 1.9L TDI but does not start. New battery , all lights are working. Changed fuel fillter and put diesel in it to wet it, but still does not start. It did start once and...


When were the glow plugs last changed?

They sit over the cylinder like spark plugs and warm the diesel before it goes into the inlet manifold, greatly assists starting.

May 17, 2010 | 2003 Volkswagen Jetta TDI

1 Answer

Pin hole leak in fuel line, (fuel injected), how do i fix???


Either replace the fuel line, or cut that section out, and put a piece of fuel line hose in and clamp it on both sides. Make sure the fuel hose is for fuel injected systems.

Jul 21, 2009 | 1995 Chevrolet Lumina

1 Answer

Air in fuel line between fuel filter and injection pump 1993 VW golf Diesel Return fuel from injection pump to fuel filter is foamy Supply line has large air bubbles. Engine start and runs intermittent.


Hi, before the pump it is a loose connection or maybe a pin hole in the pipe, check all the connections and pipes for seepage, after the pump it will be a leak, i knowit sounds the same but after the pump the fuel is under pressure. It would appear that your system drawing air rather than forcing air in. daveg

Mar 10, 2009 | 2000 Volkswagen Golf

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